refactor/single-include

Closes #6463
refactor/single-include: file_search.h
Closes #6455
refactor/single-include: hardcopy.h
Closes #6457
refactor/single-include: if_cscope.h
Closes #6458
refactor/single-include: mark.h
Closes #6461
refactor/single-include: mbyte.h
Closes #6462
refactor/single-include: memline.h
Closes #6464
refactor/single-include: menu.h
Closes #6468
refactor/single-include: ops.h
Closes #6470

src/nvim/CMakeLists.txt

@@ -424,19 +424,10 @@ function(get_test_target prefix sfile relative_path_var target_var)
 endfunction()
 
 set(NO_SINGLE_CHECK_HEADERS
-  file_search.h
   getchar.h
-  hardcopy.h
-  if_cscope.h
   if_cscope_defs.h
-  mark.h
-  mbyte.h
-  memfile_defs.h
-  memline.h
-  menu.h
   misc2.h
   msgpack_rpc/server.h
-  ops.h
   option.h
   os/shell.h
   os_unix.h

src/nvim/file_search.h

@@ -1,6 +1,11 @@
 #ifndef NVIM_FILE_SEARCH_H
 #define NVIM_FILE_SEARCH_H
 
+#include <stdlib.h> // for size_t
+
+#include "nvim/types.h" // for char_u
+#include "nvim/globals.h" // for CdScope
+
 /* Flags for find_file_*() functions. */
 #define FINDFILE_FILE   0       /* only files */
 #define FINDFILE_DIR    1       /* only directories */

src/nvim/hardcopy.h

@@ -2,6 +2,10 @@
 #define NVIM_HARDCOPY_H
 
 #include <stdint.h>
+#include <stdlib.h> // for size_t
+
+#include "nvim/types.h" // for char_u
+#include "nvim/ex_cmds_defs.h" // for exarg_T
 
 /*
  * Structure to hold printing color and font attributes.

src/nvim/if_cscope.h

@@ -1,6 +1,9 @@
 #ifndef NVIM_IF_CSCOPE_H
 #define NVIM_IF_CSCOPE_H
 
+#include "nvim/types.h" // for char_u and expand_T
+#include "nvim/ex_cmds_defs.h" // for exarg_T
+
 #ifdef INCLUDE_GENERATED_DECLARATIONS
 # include "if_cscope.h.generated.h"
 #endif

src/nvim/mark.h

@@ -8,6 +8,7 @@
 #include "nvim/memory.h"
 #include "nvim/pos.h"
 #include "nvim/os/time.h"
+#include "nvim/ex_cmds_defs.h" // for exarg_T
 
 /// Set fmark using given value
 #define SET_FMARK(fmarkp_, mark_, fnum_) \

src/nvim/mbyte.h

@@ -7,6 +7,7 @@
 #include "nvim/iconv.h"
 #include "nvim/func_attr.h"
 #include "nvim/os/os_defs.h"  // For WCHAR, indirect
+#include "nvim/types.h" // for char_u
 
 /*
  * Return byte length of character that starts with byte "b".

src/nvim/memline.h

@@ -2,6 +2,8 @@
 #define NVIM_MEMLINE_H
 
 #include "nvim/types.h"
+#include "nvim/pos.h" // for pos_T, linenr_T, colnr_T
+#include "nvim/buffer_defs.h" // for buf_T
 
 #ifdef INCLUDE_GENERATED_DECLARATIONS
 # include "memline.h.generated.h"

src/nvim/menu.h

@@ -1,6 +1,11 @@
 #ifndef NVIM_MENU_H
 #define NVIM_MENU_H
 
+#include <stdbool.h> // for bool
+
+#include "nvim/types.h" // for char_u and expand_T
+#include "nvim/ex_cmds_defs.h" // for exarg_T
+
 /* Indices into vimmenu_T->strings[] and vimmenu_T->noremap[] for each mode */
 #define MENU_INDEX_INVALID      -1
 #define MENU_INDEX_NORMAL       0

src/nvim/ops.h

@@ -8,6 +8,8 @@
 #include "nvim/types.h"
 #include "nvim/eval/typval.h"
 #include "nvim/os/time.h"
+#include "nvim/normal.h" // for MotionType and oparg_T
+#include "nvim/ex_cmds_defs.h" // for exarg_T
 
 typedef int (*Indenter)(void);